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Dishwasher heating element trouble
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Model: WDF530PLYW6 Brand: Whirlpool Age: Less than 1 year
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ziegism  
#1 Posted : Thursday, September 11, 2014 3:06:05 PM(UTC)
ziegism

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The dishwasher was not heating at all, and when I looked, I noticed the heating element was cracked. I ordered a new one, it still wasn't heating. I checked it with my multimeter and the ohms were reading way high, so I considered it defective and replaced it again. This newest one is still not heating. Could it be something else?

If so, how do I test to see what it is?

Thanks for any help.
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denman  
#2 Posted : Friday, September 12, 2014 1:50:45 AM(UTC)
denman

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Here are your parts.
Note that it is for a PLYW5.
PLWY6 did not come up.
Parts for Whirlpool WDF530PLYW5 / Dishwasher - AppliancePartsPros.com

See the attachment for the tech sheet

Could it be something else?
Yes it could.
Unplug the unit and check the hi-limit thermostat.
Should be 0 ohms.
If OK then check at the control board.
P4-4 to P4-3, you should see the heater resistance.
If not you have a bad connection/wire going down to the heater/hi-limit.
File Attachment(s):
WDF530.pdf (1,259kb) downloaded 20 time(s).
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ziegism  
#3 Posted : Friday, September 12, 2014 2:44:55 AM(UTC)
ziegism

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Thanks so much. I really appreciate it.
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esd087  
#4 Posted : Tuesday, February 2, 2016 3:46:51 PM(UTC)
esd087

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Originally Posted by: denman Go to Quoted Post
Here are your parts.
Note that it is for a PLYW5.
PLWY6 did not come up.
Parts for Whirlpool WDF530PLYW5 / Dishwasher - AppliancePartsPros.com

See the attachment for the tech sheet

Could it be something else?
Yes it could.
Unplug the unit and check the hi-limit thermostat.
Should be 0 ohms.
If OK then check at the control board.
P4-4 to P4-3, you should see the heater resistance.
If not you have a bad connection/wire going down to the heater/hi-limit.


I know this is an older thread, but hopefully can get an answer. I have the WDF530PLYW5 and have been trying to figure out why it's not heating/drying.

Replaced the heating element, didn't work. Checked the hi limit thermostat, still good. Checking the board at P4-4 to P4-3, I have about 20ohms resistance. Is this GOOD? You said "you should see the heater resistance". So what else could it be?

Sorry if this is obvious - I'm very limited in my electrical knowledge.
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denman  
#5 Posted : Wednesday, February 3, 2016 1:32:30 AM(UTC)
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[COLOR="Blue"]Checking the board at P4-4 to P4-3, I have about 20ohms resistance. Is this GOOD?[/COLOR]
Yes it is good.
Spec is 8 to 30 ohms so you are smack dab in the middle.

[COLOR="Blue"]So what else could it be?[/COLOR]
Since the heater si connected directly to the incoming line voltage through two relays odds are high that it is a bad control board.

I would check the thermistor resistance just to be sure it is OK before replacing the board.
See the WATER HEATING/HEAT DRY in the strip circuits section of the tech sheet.
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swak6287  
#6 Posted : Tuesday, February 16, 2016 6:15:46 PM(UTC)
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i tested the P4-4 AND P4-3 and i got nothing. It jsut show a "1". The P4-4 and P4-3 are the last 2 connectors on the board to the left, correct?
swak6287 attached the following image(s):
WIN_20160216_21_13_36_Pro.jpg
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denman  
#7 Posted : Wednesday, February 17, 2016 7:27:26 AM(UTC)
denman

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Yes these connections are 3 and 4 but yoyu are not checking them correctly.

What you are trying to check is the heater and hi-limit so it is the connector that plugs into this that you want to check.

Take a look at the strip circuits in the tech sheet.
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swak6287  
#8 Posted : Wednesday, February 17, 2016 7:43:07 AM(UTC)
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Ah yes. Duh. Learning as I go. Thank you. I will check that tonight and report back.
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esd087  
#9 Posted : Wednesday, February 17, 2016 5:16:42 PM(UTC)
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Thanks for the advice. I ended up getting a control board on ******** and the dishwasher appears to be fully functional again.
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